Oxalis tuberosa
SPECIES OF PLANT
New Zealand yam; New zealand yam; New Zealand Yam; Oca (tuber)
Oxalis tuberosa is a perennial herbaceous plant that overwinters as underground stem tubers. These tubers are known as uqa in Quechua,Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary) oca in Spanish, yam in New Zealand and a number of other alternative names.